Wii warriors coming up lame

Call it Wii Shoulder. Or Wii Knee. If there is an epidemic of anything, it probably falls under a broader label: Nintendinitis.

"Skateboarding, snowboarding, you name it," said Dr. William N. Levine, the director of sports medicine at Columbia University Medical Center. "Take the newest fad, and there's always a slew of specific orthopedic injuries associated with it."

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